Neutral: The people staffing at said public place will get peeved but there is no shame in having your sewage waste spill out everywhere using the dysfunctional plumbing. Just don't get caught: the poor guy who has to clean that up may whoop your ass.

(BTW I was more talking about it going kaboom in the sewage pipes while it had already been flushed since its lit fuse is typically waterproof)

Buying a game cartridge of a good ROMhack for your old game system.

We'll murder them all, amid laughter and merriment...except for the few we take home to experiment!

Excellent idea: It's always funny to watch an addict freak out over it.

Pouring some sugar on the floor for a coke addict friend of your roommate, after he's been searching the same 2-level 3'X3'X1' shelf for 3 hours straight, relentlessly looking for his lost coke.

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That actually happened to a friend of mine in Lake Tahoe in 2007-2008--too bad I don't have the video link cuz it was f***in' funny as hell. He gathered it up, put it in his crack pipe and smoked it, then said it smelled and tasted like cookie dough. Then he asked if he could crash there which they firmly denied and kicked him out.

We'll murder them all, amid laughter and merriment...except for the few we take home to experiment!